Try Rector Online | Rector - Automated Way to Instantly Upgrade and Refactor any PHP code

Rector run Failed:

{ "totals": { "changed_files": 0, "errors": 1 }, "errors": [ { "message": "System error: \"Split extensions \"\" to multiple separated files first\"\nRun Rector with \"--debug\" option and post the report here: https://github.com/rectorphp/rector/issues/new", "file": "/var/www/src/../storage/demo/e7jdhlgyw1sfyj2dbt32/rector_analyzed_file.php", "line": 40 } ] }

Run Rector on your code to see what it can do for you:

PHP snippet to change

<?php

declare(strict_types=1);

namespace Symfony\Component\DependencyInjection\Loader\Configurator;

use Http\Discovery\Psr17Factory;
use Psr\Http\Message\RequestFactoryInterface;
use Psr\Http\Message\ResponseFactoryInterface;
use Psr\Http\Message\ServerRequestFactoryInterface;
use Psr\Http\Message\StreamFactoryInterface;
use Psr\Http\Message\UploadedFileFactoryInterface;
use Psr\Http\Message\UriFactoryInterface;

return static function (ContainerConfigurator $containerConfigurator): void {
    $services = $containerConfigurator->services();

    $services->alias(RequestFactoryInterface::class, 'http_discovery.psr17_factory');

    $services->alias(ResponseFactoryInterface::class, 'http_discovery.psr17_factory');

    $services->alias(ServerRequestFactoryInterface::class, 'http_discovery.psr17_factory');

    $services->alias(StreamFactoryInterface::class, 'http_discovery.psr17_factory');

    $services->alias(UploadedFileFactoryInterface::class, 'http_discovery.psr17_factory');

    $services->alias(UriFactoryInterface::class, 'http_discovery.psr17_factory');

    $services->set('http_discovery.psr17_factory', Psr17Factory::class);
};

Config rector.php

<?php

use Rector\Config\RectorConfig;
use Rector\Symfony\CodeQuality\Rector\Closure\StringExtensionToConfigBuilderRector;

return RectorConfig::configure()
    ->withRules([
        StringExtensionToConfigBuilderRector::class
    ]);

Rector version: 6a6047 - released at 2025-10-07 14:30